Home / 219,097.93-302,539.47-138,667.36

Finding the Fourth Proportional to 219,097.93, 302,539.47 and 138,667.36

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Solution

The fourth proportional to 219,097.93, 302,539.47 and 138,667.36 is: 191,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,097.93 : 302,539.47 = 138,667.36 : x
  2. Step 2: Convert to fraction form
    219,097.93/302,539.47 = 138,667.36/x
  3. Step 3: Cross multiply
    219,097.93x = 302,539.47 × 138,667.36
  4. Step 4: Simplify right side
    219,097.93x = 41,952,349,600.70
  5. Step 5: Solve for x
    x = 41,952,349,600.70/219,097.93
  6. Step 6: Final answer
    x = 191,477.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.